34 lines
		
	
	
		
			734 B
		
	
	
	
		
			Go
		
	
	
	
	
	
		
		
			
		
	
	
			34 lines
		
	
	
		
			734 B
		
	
	
	
		
			Go
		
	
	
	
	
	
|   | // For more tutorials: https://blog.learngoprogramming.com | ||
|  | // | ||
|  | // Copyright © 2018 Inanc Gumus | ||
|  | // Learn Go Programming Course | ||
|  | // License: https://creativecommons.org/licenses/by-nc-sa/4.0/ | ||
|  | // | ||
|  | 
 | ||
|  | package main | ||
|  | 
 | ||
|  | import ( | ||
|  | 	"os" | ||
|  | 	"strings" | ||
|  | ) | ||
|  | 
 | ||
|  | // NOTE: You should always pass it at least one argument | ||
|  | 
 | ||
|  | func main() { | ||
|  | 	msg := os.Args[1] | ||
|  | 
 | ||
|  | 	// it's important to calculate things only once | ||
|  | 	// so, do not call the repeat function twice | ||
|  | 	// calling it once is enough | ||
|  | 	marks := strings.Repeat("!", len(msg)) | ||
|  | 	s := marks + msg + marks | ||
|  | 	s = strings.ToUpper(s) | ||
|  | 
 | ||
|  | 	// you can also type this program more concisely | ||
|  | 	// like this: | ||
|  | 	// | ||
|  | 	// msg := strings.ToUpper(os.Args[1]) | ||
|  | 	// marks := strings.Repeat("!", len(msg)) | ||
|  | 	// fmt.Println(marks + msg + marks) | ||
|  | } |